BASINS 4.0 - 2008-08-08 Any previous version of BASINS 4 should be uninstalled before proceeding. If this computer has BASINS 3.1 installed: Adding BASINS 4 will replace some of the files used by BASINS 3.1. Both should still function properly, but if BASINS 4 is removed, then BASINS 3.1 will need to be re-installed. Changes since 2007-11-01 Update of BASINS 4.0: Updated MapWindow components to candidate Version 4.5 All downloaded data handled by new data download tool from D4EM (Data for Environmental Modeling) project. New data download sources NLCD2001 and NHDPlus. Old data sources updated including modernized STORET and USGS NWIS. Press F1 while new download form is open for updated documentation. Opening of USGS data files (RDB) directly without need to import to WDM. Opening of data files by dragging them onto the map or onto Manage Data form. When selecting data sets to analyze, constituent value lists now automatically scroll to a matching value if user types a constituent value. Updated meteorologic (WDM) database through 2006 Improved delineation and model segmentation tools Improved analysis tools including model output reports, improved graphics Now able to open MrSid grids. Changes since first release of BASINS 4.0: Updated MapWindow Version 4.4 New version of Climate Assessment Tool Automatic Watershed Delineator now works with ESRI grids and has several other improvements Improved grid layer merging Updated documentation in docs\BASINS4.0.chm Expanded functionality of frequency grid analysis Changed importing USGS daily values into WDM to match change in NWIS web site Added ability to directly open RDB files containing USGS daily values Fixed PLOAD handling of user-supplied loading tables Fix for Mass-Link subscripts on UCI creation Fix for transformation function in Ext Targets when outputing hourly timeseries Increased HSPF workspace size, max special actions instructions, and osv size for large runs Fix some HSPF binary output headers and possible divide by zero errors in NITR and PHOS